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Vitamin B-12 1000 mcg Injection 500mL Amount:10ml No Return https://image.made-in-china.com/202f0j00TcFBLaZAEfqe/Vitamin-B12-Injection-0-1-Veterinary-Medicine-Drug-for-Horses.webp Because these conditions prevent adequate oral uptake, intramuscular injection bypasses the digestive system entirely and delivers B12 directly into muscle tissue for reliable absorption
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